Megan Kreiger, a lead mechanical engineer, at the U.S. Army Engineer Research and Development Center (ERDC), and her team of engineers, have 3D printed a 32-ft-long reinforced concrete footbridge at t…

Ordered, concrete, and spanning 512 square-feet, the Construction Engineering Research Laboratory (CERL) in Champaign, Illinois, has revealed the successful construction of its first 3D printed barrac…